Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 18:23

General

  • Target

    Dextron Group PO.exe

  • Size

    1.4MB

  • MD5

    02534060c07286b6c06db8b181509fb9

  • SHA1

    eed82ba0c6cc7cc4d7c8a61844e0e84d440ebe03

  • SHA256

    012e5ef35e2f13676d6141ea12f8ad4659d8fbdea99c244c995d46e78e5b2d17

  • SHA512

    1ebea9a686adb6835c8778fd8a477c2ede69830ff24c5f8cb5d803ea7ed65174624afafb0a7e0b66c9d6ec0a0c4605d2ff17de565822ab4bc8e513d0cc878844

  • SSDEEP

    24576:yn25nPkW3amy8sQxeWcktTjbJ42auDyEEEEEEEEEEEEEEEEEEEETKKKKKKKKKKKr:yn2kGy7wTjbX/DyEEEEEEEEEEEEEEEEm

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe
    "C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\extrac32.exe
      C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe C:\\Users\\Public\\Libraries\\Tdrdpepi.PIF
      2⤵
        PID:4472
      • C:\Users\Public\Libraries\ipepdrdT.pif
        C:\Users\Public\Libraries\ipepdrdT.pif
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1048
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2328

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Public\Libraries\ipepdrdT.pif
        Filesize

        66KB

        MD5

        c116d3604ceafe7057d77ff27552c215

        SHA1

        452b14432fb5758b46f2897aeccd89f7c82a727d

        SHA256

        7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

        SHA512

        9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

      • memory/1048-6-0x0000000000400000-0x0000000001400000-memory.dmp
        Filesize

        16.0MB

      • memory/1048-9-0x0000000000400000-0x0000000001400000-memory.dmp
        Filesize

        16.0MB

      • memory/1048-11-0x0000000074E9E000-0x0000000074E9F000-memory.dmp
        Filesize

        4KB

      • memory/1048-12-0x0000000026040000-0x000000002609E000-memory.dmp
        Filesize

        376KB

      • memory/1048-13-0x0000000074E90000-0x0000000075640000-memory.dmp
        Filesize

        7.7MB

      • memory/1048-14-0x0000000074E90000-0x0000000075640000-memory.dmp
        Filesize

        7.7MB

      • memory/1048-15-0x0000000074E90000-0x0000000075640000-memory.dmp
        Filesize

        7.7MB

      • memory/1048-16-0x00000000286F0000-0x0000000028C94000-memory.dmp
        Filesize

        5.6MB

      • memory/1048-17-0x0000000028680000-0x00000000286DC000-memory.dmp
        Filesize

        368KB

      • memory/1048-31-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-29-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-27-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-77-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-76-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-71-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-69-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-67-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-65-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-64-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-61-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-57-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-53-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-51-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-47-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-43-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-41-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-39-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-38-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-36-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-33-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-25-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-23-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-73-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-59-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-55-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-49-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-45-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-21-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-19-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-18-0x0000000028680000-0x00000000286D6000-memory.dmp
        Filesize

        344KB

      • memory/1048-1156-0x0000000074E90000-0x0000000075640000-memory.dmp
        Filesize

        7.7MB

      • memory/1048-1157-0x0000000028DC0000-0x0000000028E26000-memory.dmp
        Filesize

        408KB

      • memory/1048-1160-0x0000000074E9E000-0x0000000074E9F000-memory.dmp
        Filesize

        4KB

      • memory/1048-1161-0x0000000074E90000-0x0000000075640000-memory.dmp
        Filesize

        7.7MB

      • memory/1048-1162-0x0000000029690000-0x00000000296E0000-memory.dmp
        Filesize

        320KB

      • memory/1048-1163-0x00000000296E0000-0x000000002977C000-memory.dmp
        Filesize

        624KB

      • memory/1048-1164-0x0000000074E90000-0x0000000075640000-memory.dmp
        Filesize

        7.7MB

      • memory/1048-1165-0x0000000074E90000-0x0000000075640000-memory.dmp
        Filesize

        7.7MB

      • memory/1048-1167-0x0000000074E90000-0x0000000075640000-memory.dmp
        Filesize

        7.7MB

      • memory/1048-1168-0x000000002A250000-0x000000002A2E2000-memory.dmp
        Filesize

        584KB

      • memory/1048-1169-0x000000002A450000-0x000000002A45A000-memory.dmp
        Filesize

        40KB

      • memory/1800-0-0x0000000000B70000-0x0000000000B71000-memory.dmp
        Filesize

        4KB

      • memory/1800-1-0x0000000000400000-0x0000000000578000-memory.dmp
        Filesize

        1.5MB